Does serial PW-TDI monitoring reliably exclude acute rejection and TxCAD to replace routine invasive screenings in heart transplant patients?
Serial PW-TDI monitoring may safely reduce the need for routine invasive endomyocardial biopsies and angiographies in heart transplant recipients by reliably excluding acute rejection and TxCAD.
Without diastolic parameter changes, acute rejection can be practically excluded, and serial PW-TDI can save patients from routine EMBs. The high specificity and negative predictive value for TxCAD of reduced systolic peak velocities and extended systolic time allow optimized timed catheterizations. Peak systolic velocity and systolic time allow diagnostic classifications that enable patients without known TxCAD but with high risk for catheterization to be spared routine angiographies.
Dandel et al. (Tue,) studied this question.